Home / 19,783.35-29,635.27-9,238.82

Finding the Fourth Proportional to 19,783.35, 29,635.27 and 9,238.82

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Solution

The fourth proportional to 19,783.35, 29,635.27 and 9,238.82 is: 13,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.35 : 29,635.27 = 9,238.82 : x
  2. Step 2: Convert to fraction form
    19,783.35/29,635.27 = 9,238.82/x
  3. Step 3: Cross multiply
    19,783.35x = 29,635.27 × 9,238.82
  4. Step 4: Simplify right side
    19,783.35x = 273,794,925.18
  5. Step 5: Solve for x
    x = 273,794,925.18/19,783.35
  6. Step 6: Final answer
    x = 13,839.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.